War Story: We Migrated From Memcached 1.6 to Redis 7.2 and Cut Cache Misses by 60%
At 3:17 AM on a Tuesday in Q3 2024, our p99 API latency hit 4.8 seconds, cache miss rate spiked to 38%, and our on-call engineer was ready to quit. We…
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Redis 9 vs. Dragonfly 1.20: Throughput and Memory Efficiency Benchmarks for Caching Layers
In our 72-hour stress test of 1 million concurrent cache connections, Dragonfly 1.20 delivered 40% higher throughput than Redis 9 while using 35% less…
Redis для QA
Redis всё чаще встречается в вакансиях для QA, и понимание его работы становится полезным навыком для тестировщика. В статье простым языком объясняетс…
Syncing the Real Market: Consuming Brapi and Feeding Redis with Spring Boot
Hello everyone! Continuing the My Broker B3 series, today we'll talk about an essential component on the B3 side of our simulator: the B3 Market Sync …
Проектируем сервис HTTP-запросов: Kafka, PostgreSQL, Redis-очередь и миллионы логических партиций
Ни одна «одна технология» не закрывает это без слоёв. Сначала — почему в стеке именно Kafka, PostgreSQL и Redis ; дальше — как мы спроектировали серви…
I Audited My Own Open Source Library and Found 9 Security Bugs. Here's Every One.
Hey dev.to 👋 If you've read my previous post about layercache , you know it's a multi-layer caching library for Node.js — Memory → Redis → Disk behind…
How I Rebuilt a Three-Layer Cache System in Java — Redis, L1, and MongoDB Done Right
I've been working on Nexus , a backend infrastructure project, and recently hit a point where the data synchronization layer needed a serious rethink.…
I got tired of wiring the same caching stack every project, so I built LayerCache
Every Node.js service I've worked on hits the same caching wall. It always starts the same way. You add an in-memory cache. It's fast. Life is good. T…
ElastiCache Pricing Breakdown: Where the Money Actually Goes
ElastiCache looks straightforward on the bill. You pick a node type, maybe add a replica for high availability, and move on. Then the invoice arrives …
Hardening Distributed Systems: Retries, Circuit Breakers & Observability.
Building Resilient Distributed Systems: A Solo Engineer's Journey How I turned flaky upstream APIs into a predictable, observable, and operator-friend…
How We Made Next.js ISR Page Cache Efficient with Redis
Next.js ISR works great on a single pod. But the moment you scale to multiple replicas — whether on Kubernetes , ECS , Cloud Foundry , or any orchestr…